Hi, I bought a TiVo S1 with lifetime subscription which I am planning to upgrade to a 300Gb HDD and install a turboNet card.

I know I can download the MFSTools CD and copy the original drive to the new one - and then install the LBA48 patch but it looks like I can buy a CD ISO image for only $20 that will make this a lot easier (and save me hours).

My question is, which ISO image is the best one to buy? There seems to be a number of these around offering different software. The ones I have seen so far are:

I'd just download the free boot cd - PTVupgrade LBA48 CD v4.01 to copy the software from my existing HD.
I am confused, what is the difference between these CDs and where/why would I need to use the "paid" CDs: